Solve
-3x - y = 8
- 7x + 3y = -24
2 answers:
Answer:
1.x1=49.5 or x2=-48.5
Step-by-step explanation:
=-3x-y-8=8-8
=-3x-y-8=0 --> a=-3 b=-1 c=-8
solve it using quadratic formula
=-(-1)±√(-1)^2-4(-3)(-8)/2
= 1±√2+96/2
=1±√98/2
=1+98/2 ----> x1=49.5
=1-98/2 -----> x2=-48.5
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